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Finding the Fourth Proportional to 5,326.99, 7,352.84 and 3,089.88

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Solution

The fourth proportional to 5,326.99, 7,352.84 and 3,089.88 is: 4,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.99 : 7,352.84 = 3,089.88 : x
  2. Step 2: Convert to fraction form
    5,326.99/7,352.84 = 3,089.88/x
  3. Step 3: Cross multiply
    5,326.99x = 7,352.84 × 3,089.88
  4. Step 4: Simplify right side
    5,326.99x = 22,719,400.98
  5. Step 5: Solve for x
    x = 22,719,400.98/5,326.99
  6. Step 6: Final answer
    x = 4,264.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.